Goodwill and Intangible Assets (Tables)

3 Months Ended

Dec. 31, 2011

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes in carrying amount of goodwill by segment

The changes in the carrying amount of goodwill by segment for the period from October 1, 2011 to December 31, 2011 are as follows (in thousands):

	Commercial Lasers and Components			Specialty Lasers and Systems			Total
Balance as of October 1, 2011	$	6,365		$	69,589		$	75,954
Translation adjustments and other	(2		)	(1,196		)	(1,198		)
Balance as of December 31, 2011	$	6,363		$	68,393		$	74,756

Schedule of components of amortizable intangible assets

Components of our amortizable intangible assets are as follows (in thousands):

	December 31, 2011							October 1, 2011
	Gross Carrying Amount		Accumulated Amortization			Net		Gross Carrying Amount		Accumulated Amortization			Net
Existing technology	$	52,011	$	(42,646	)	$	9,365	$	52,283	$	(41,615	)	$	10,668
Patents	6,982		(6,956		)	26		7,246		(7,220		)	26
Customer lists	9,748		(5,248		)	4,500		9,807		(5,142		)	4,665
Trade name	3,483		(2,539		)	944		3,566		(2,504		)	1,062
Non-compete agreement	831		(764		)	67		837		(784		)	53
Production know-how	910		(627		)	283		910		(621		)	289
In-process research & development	1,220		—			1,220		1,217		—			1,217
Total	$	75,185	$	(58,780	)	$	16,405	$	75,866	$	(57,886	)	$	17,980

Schedule of estimated amortization expense

At December 31, 2011, estimated amortization expense for the remainder of fiscal 2012, the next five succeeding fiscal years and all fiscal years thereafter are as follows (in thousands):

	Estimated Amortization Expense
2012 (remainder)	$	4,710
2013	4,857
2014	3,373
2015	2,044
2016	1,257
2017	154
Thereafter	10
Total	$	16,405